package cn.airfei.netty;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;

/**
 * @description:
 * @author: air
 * @create: 2019-10-17 16:05
 **/
public class HelloServer {

    public static void main(String[] args) throws InterruptedException {
        // 定义一对线程组,
        // 主线程组，用于接收客户端的链接，但不做任何处理
        EventLoopGroup bossGroup = new NioEventLoopGroup();

        // 从线程组，
        EventLoopGroup workerGroup = new NioEventLoopGroup();


        try {
            ServerBootstrap serverBootstrap = new ServerBootstrap();

            // netty服务器创建
            serverBootstrap.group(bossGroup, workerGroup)    // 设置主从线程组
                    .channel(NioServerSocketChannel.class)  // 设置nio的双向通道
                    .childHandler(new HelloServerInitializer());                    // 字处理器，用于处理workGroup


            // 启动server ，并且设置端口为8088 ，启动方式为同步
            ChannelFuture channelFuture = serverBootstrap.bind(8088).sync();
            // 监听关闭的channel，设置为同步方式
            channelFuture.channel().closeFuture().sync();

        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        }


    }
}
